Pathophysiology: Meningitis is an inflammation of the tissue lining that covers the brain and spinal cord. The pathogenesis of each family of viruses that causes viral meningitis varies. It is uncommon complication of common systemic infections. In children some studies shows learning disabilities, neuromuscular impairments (ie, mild paresis or loss of coordination), and deafness to viral meningitis. Communicating hydrocephalus is a rare complication of viral meningitis.
Disease Statistics: Japanese encephalitis virus is one of the leading causes of epidemic encephalitis worldwide. Many cases have been reported in Hiroshima prefecture, the western part of the main island of Japan.
Treatment: For most of the cases, there is no specific treatment for viral meningitis. Mostly people completely recover on their own within 7 to 10 days. However disease from certain viruses such as herpesvirus and influenza requires treatment with an antiviral medication. Antibiotics are useful only in cases of bacterial meningitis.
Research: Japanese encephalitis virus is major research topic for meningitis in several medical universities and government authorities in Japan including National Institute of infectious Diseases, Tokyo; Prefectural Institute of Health and Environment, Hiroshima, Japan.